British National Bibliography (free)
AGRICOLA (free)
AIAA Electronic Library (free)
Alcohol Studies Database (free)
American Heritage Dictionary, 4th Edition (free)
AULIMP (Air University Library Index to Military Periodicals) (free)
Australian National Biography Online (free)
BioMed Central (free)
CAM Citation Index (free)
Catalog of Nonprofit Literature (free)
Catalog of U.S. Government Publications (free)
Clinical Trials.gov (free)
Congressional Research Service Reports (free)
Conservation Directory (free)
Corpus Thomisticum (free)
CRISP (Computer Retrieval of Information on Scientific Projects) (free)
Dictionary of Canadian Biography Online (free)
Edmund Spenser World Bibliography (free)
English Short Title Catalogue, 1473 - 1800 (free)
ERIC (Includes ERIC Documents) (free)
ETHXWeb (free)
FedStats (free)
Film Literature Index (FLI) (free)
Gale's Literary Index (free)
Google Scholar (free)
GPO Access: Monthly Catalog of U.S. Government Publications (free)
HerbMed (free)
Historic Missouri Newspaper Project (1835-1988) (free)
HLAS: Handbook of Latin American Studies Online (free)
Homeland Security Digital Library (free)
HSTAT (Health Services Technology Assessment Text) (free)
IBIDS Database (Bibliographic Information on Dietary Supplements) (free)
Index Theologicus (free)
International Bibliographic Database on Higher Education (HEDBID) (free)
Johns Hopkins Antibiotic Guide (free)
Lexicons of Early Modern English: LEME (free)
Library, Information Science & Technology Database (LISTA) (free)
MedlinePlus (free)
Memorial Bookplate Database (free)
Merriam-Webster Online Collegiate Dictionary (free)
Merriam-Webster Online Collegiate Thesaurus (free)
Middle English Compendium (free)
National Center for Health Statistics (free)
NCBI (National Center for Biotechnology Information) (free)
NCJRS Abstracts Database (free)
New York Times Article Archive (free)
Newspapers: Historical Archives (free)
NLINKS-Network for Language in Nursing Knowledge Systems (Nursing) (free)
NTRS (NASA Technical Report Server) (free)
OAIster (Digital Resources) (free)
OMIM (Online Mendelian Inheritance in Man) (free)
OT Seeker (Occupational Therapy) (free)
PDQ® - NCI's Comprehensive Cancer Database (free)
PEDro (Physiotherapy Evidence Database) (free)
PILOTS Database (free)
Population Index (free)
PrimateLit (free)
Public STINET (Scientific & Technical Information Network) (free)
PubMed (free)
REHABDATA Database (free)
Royal Historical Society Bibliography (free)
Seventh-day Adventist (SDA) Periodical Index (free)
Sir Philip Sidney World Bibliography (free)
St. Louis Business Journal (free)
Stanford Encyclopedia of Philosophy (free)
Supreme Court of the United States (free)
Teacher Reference Center (free)
THOMAS - Legislative Information from the Library of Congress (free)
ThomasNet (free)
TIGR Databases (free)
TOXNET (free)
TRIP Database (Turning Research Into Practice) (free)
TRIS (Transportation Research Information Services) (free)
United Nations Library Catalog (free)
White House - Executive Branch Offices (free)
WHO Library Catalog (WHOLIS) (free)
WorldCat (WorldCat.org) (free)
